Ecotone
n. [生]群落交错区
🗣️ 情景例句
We've been listening to you both.
我们一直在听你们朗诵。
I see. Let's break now.
我了解，让我们休息一下吧。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。